/Engine/Source/Runtime/Core/Public/Modules/ModuleManager.h
Generates a unique file name for the specified module name by adding a random suffix and checking for file collisions.
void MakeUniqueModuleFilename ( const [FName](API\Runtime\Core\UObject\FName) InModuleName, [FString](API\Runtime\Core\Containers\FString) & UniqueSuffix, [FString](API\Runtime\Core\Containers\FString) & UniqueModuleFileName ) const